PDBx/mmCIF category	Legacy PDB format records	Description
_struct_conf_type	HELIX	Type of the conformation of the backbone of the polymer.

Example:

_struct_conf_type.id

HELX_P

PDBx/mmCIF category	Legacy PDB format records	Description
_struct_conf	HELIX	Details about the backbone conformation of a segment of polymer.

Example:

loop_

_struct_conf.conf_type_id

_struct_conf.id

_struct_conf.pdbx_PDB_helix_id

_struct_conf.beg_label_comp_id

_struct_conf.beg_label_asym_id

_struct_conf.beg_label_seq_id

_struct_conf.pdbx_beg_PDB_ins_code

_struct_conf.end_label_comp_id

_struct_conf.end_label_asym_id

_struct_conf.end_label_seq_id

_struct_conf.pdbx_end_PDB_ins_code

_struct_conf.beg_auth_comp_id

_struct_conf.beg_auth_asym_id

_struct_conf.beg_auth_seq_id

_struct_conf.end_auth_comp_id

_struct_conf.end_auth_asym_id

_struct_conf.end_auth_seq_id

_struct_conf.pdbx_PDB_helix_class

_struct_conf.details

_struct_conf.pdbx_PDB_helix_length

HELX_P

HELX_P1

AA1

SER

A

10

?

GLY

A

15

?

SER

A

10

GLY

A

15

1

?

6

HELX_P

HELX_P2

AA2

HIS

A

41

?

CYS

A

44

?

HIS

A

41

CYS

A

44

5

?

4

HELX_P

HELX_P3

AA3

GLU

A

47

?

ASN

A

51

?

GLU

A

47

ASN

A

51

5

?

5

HELX_P

HELX_P4

AA4

ASN

A

53

?

ARG

A

60

?

ASN

A

53

ARG

A

60

1

?

8

HELX_P

HELX_P5

AA5

LYS

A

61

?

HIS

A

64

?

LYS

A

61

HIS

A

64

5

?

4

HELX_P

HELX_P6

AA6

ILE

A

200

?

ASN

A

214

?

ILE

A

200

ASN

A

214

1

?

15

HELX_P

HELX_P7

AA7

THR

A

226

?

TYR

A

237

?

THR

A

226

TYR

A

237

1

?

12

HELX_P

HELX_P8

AA8

THR

A

243

?

LEU

A

250

?

THR

A

243

LEU

A

250

1

?

8

HELX_P

HELX_P9

AA9

LEU

A

250

?

GLY

A

258

?

LEU

A

250

GLY

A

258

1

?

9

HELX_P

HELX_P10

AB1

ALA

A

260

?

GLY

A

275

?

ALA

A

260

GLY

A

275

1

?

16

HELX_P

HELX_P11

AB2

THR

A

292

?

SER

A

301

?

THR

A

292

SER

A

301

1

?

10

PDBx/mmCIF category	Legacy PDB format records	Description
_struct_sheet	SHEET	Details about the beta sheets.

Example:

loop_
_struct_sheet.id
_struct_sheet.type
_struct_sheet.number_strands
_struct_sheet.details
AA1	?	7	?
AA2	?	5	?
AA3	?	3	?

PDBx/mmCIF category	Legacy PDB format records	Description
_struct_sheet_order	SHEET	Details about the order of the residue ranges that form a beta-sheet. All order links are pairwise and the specified pairs are assumed to be adjacent to one another in the sheet.

Example:

loop_
_struct_sheet_order.sheet_id
_struct_sheet_order.range_id_1
_struct_sheet_order.range_id_2
_struct_sheet_order.offset
_struct_sheet_order.sense
AA1	1	2	?	anti-parallel
AA1	2	3	?	anti-parallel
AA1	3	4	?	anti-parallel
AA1	4	5	?	anti-parallel
AA1	5	6	?	anti-parallel
AA1	6	7	?	anti-parallel
AA2	1	2	?	parallel
AA2	2	3	?	anti-parallel
AA2	3	4	?	anti-parallel
AA2	4	5	?	anti-parallel
AA3	1	2	?	parallel
AA3	2	3	?	anti-parallel

PDBx/mmCIF category	Legacy PDB format records	Description
_struct_sheet_range	SHEET	Details about the residue ranges that form a beta-sheet. Residues are included in a range if they make beta-sheet-type hydrogen-bonding interactions with at least one adjacent strand and if there are at least two residues in the range.

Example:

loop_

_struct_sheet_range.sheet_id

_struct_sheet_range.id

_struct_sheet_range.beg_label_comp_id

_struct_sheet_range.beg_label_asym_id

_struct_sheet_range.beg_label_seq_id

_struct_sheet_range.pdbx_beg_PDB_ins_code

_struct_sheet_range.end_label_comp_id

_struct_sheet_range.end_label_asym_id

_struct_sheet_range.end_label_seq_id

_struct_sheet_range.pdbx_end_PDB_ins_code

_struct_sheet_range.beg_auth_comp_id

_struct_sheet_range.beg_auth_asym_id

_struct_sheet_range.beg_auth_seq_id

_struct_sheet_range.end_auth_comp_id

_struct_sheet_range.end_auth_asym_id

_struct_sheet_range.end_auth_seq_id

AA1

1

VAL

A

73

?

LEU

A

75

?

VAL

A

73

LEU

A

75

AA1

2

PHE

A

66

?

ALA

A

70

?

PHE

A

66

ALA

A

70

AA1

3

MET

A

17

?

CYS

A

22

?

MET

A

17

CYS

A

22

AA1

4

THR

A

25

?

LEU

A

32

?

THR

A

25

LEU

A

32

AA1

5

VAL

A

35

?

PRO

A

39

?

VAL

A

35

PRO

A

39

AA1

6

VAL

A

86

?

VAL

A

91

?

VAL

A

86

VAL

A

91

AA1

7

VAL

A

77

?

GLN

A

83

?

VAL

A

77

GLN

A

83

AA2

1

LYS

A

100

?

PHE

A

103

?

LYS

A

100

PHE

A

103

AA2

2

CYS

A

156

?

GLU

A

166

?

CYS

A

156

GLU

A

166

AA2

3

VAL

A

148

?

ASP

A

153

?

VAL

A

148

ASP

A

153

AA2

4

THR

A

111

?

TYR

A

118

?

THR

A

111

TYR

A

118

AA2

5

SER

A

121

?

ALA

A

129

?

SER

A

121

ALA

A

129

AA3

1

LYS

A

100

?

PHE

A

103

?

LYS

A

100

PHE

A

103

AA3

2

CYS

A

156

?

GLU

A

166

?

CYS

A

156

GLU

A

166

AA3

3

HIS

A

172

?

THR

A

175

?

HIS

A

172

THR

A

175

PDBx/mmCIF category	Legacy PDB format records	Description
_pdbx_struct_sheet_hbond	SHEET	Details about the hydrogen bonding between residue ranges in a beta sheet.

Example:

loop_

_pdbx_struct_sheet_hbond.sheet_id

_pdbx_struct_sheet_hbond.range_id_1

_pdbx_struct_sheet_hbond.range_id_2

_pdbx_struct_sheet_hbond.range_1_label_atom_id

_pdbx_struct_sheet_hbond.range_1_label_comp_id

_pdbx_struct_sheet_hbond.range_1_label_asym_id

_pdbx_struct_sheet_hbond.range_1_label_seq_id

_pdbx_struct_sheet_hbond.range_1_PDB_ins_code

_pdbx_struct_sheet_hbond.range_1_auth_atom_id

_pdbx_struct_sheet_hbond.range_1_auth_comp_id

_pdbx_struct_sheet_hbond.range_1_auth_asym_id

_pdbx_struct_sheet_hbond.range_1_auth_seq_id

_pdbx_struct_sheet_hbond.range_2_label_atom_id

_pdbx_struct_sheet_hbond.range_2_label_comp_id

_pdbx_struct_sheet_hbond.range_2_label_asym_id

_pdbx_struct_sheet_hbond.range_2_label_seq_id

_pdbx_struct_sheet_hbond.range_2_PDB_ins_code

_pdbx_struct_sheet_hbond.range_2_auth_atom_id

_pdbx_struct_sheet_hbond.range_2_auth_comp_id

_pdbx_struct_sheet_hbond.range_2_auth_asym_id

_pdbx_struct_sheet_hbond.range_2_auth_seq_id

AA1

1

2

O

LEU

A

75

?

O

LEU

A

75

N

VAL

A

68

?

N

VAL

A

68

AA1

2

3

O

LEU

A

67

?

O

LEU

A

67

N

THR

A

21

?

N

THR

A

21

AA1

3

4

N

VAL

A

20

?

N

VAL

A

20

O

LEU

A

27

?

O

LEU

A

27

AA1

4

5

N

LEU

A

30

?

N

LEU

A

30

O

TYR

A

37

?

O

TYR

A

37

AA1

5

6

N

CYS

A

38

?

N

CYS

A

38

O

LEU

A

87

?

O

LEU

A

87

AA1

6

7

O

LYS

A

90

?

O

LYS

A

90

N

ILE

A

78

?

N

ILE

A

78

AA2

1

2

N

LYS

A

100

?

N

LYS

A

100

O

VAL

A

157

?

O

VAL

A

157

AA2

2

3

O

SER

A

158

?

O

SER

A

158

N

ASN

A

151

?

N

ASN

A

151

AA2

3

4

O

PHE

A

150

?

O

PHE

A

150

N

SER

A

113

?

N

SER

A

113

AA2

4

5

N

ALA

A

116

?

N

ALA

A

116

O

SER

A

123

?

O

SER

A

123

AA3

1

2

N

LYS

A

100

?

N

LYS

A

100

O

VAL

A

157

?

O

VAL

A

157

AA3

2

3

N

MET

A

165

?

N

MET

A

165

O

ALA

A

173

?

O

ALA

A

173